Iphone database using sqlite and fmdb wrapper - slow UI?

The cellForRowAtIndexPath is called for each cell created, so your filterDataWithName function is being called for every cell/row.

Ok - I missed the problem above as mentioned by Darren - if this doesn't fix it ..... I encountered a similar problem where I needed to run an exhaustive search on table. You could try restricting your query to one row with something like this.

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